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222331023113213 = 7231971508935091
BaseRepresentation
bin110010100011010101111001…
…101001111011101111111101
31002011012122020021022212210102
4302203111321221323233331
5213120132413404110323
62104505243442450445
764554613005023300
oct6243257151735775
91064178207285712
10222331023113213
116492906a431603
1220b292a9963a25
139709957c6b2b1
143cc8c43b24b37
151aa8517e35328
hexca3579a7bbfd

222331023113213 has 24 divisors (see below), whose sum is σ = 269725165565184. Its totient is φ = 182520788486400.

The previous prime is 222331023113119. The next prime is 222331023113219. The reversal of 222331023113213 is 312311320133222.

It is not a de Polignac number, because 222331023113213 - 222 = 222331018918909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222331023113219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 754320203 + ... + 754614888.

It is an arithmetic number, because the mean of its divisors is an integer number (11238548565216).

Almost surely, 2222331023113213 is an apocalyptic number.

It is an amenable number.

222331023113213 is a deficient number, since it is larger than the sum of its proper divisors (47394142451971).

222331023113213 is a wasteful number, since it uses less digits than its factorization.

222331023113213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1508935233 (or 1508935226 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 222331023113213 its reverse (312311320133222), we get a palindrome (534642343246435).

The spelling of 222331023113213 in words is "two hundred twenty-two trillion, three hundred thirty-one billion, twenty-three million, one hundred thirteen thousand, two hundred thirteen".

Divisors: 1 7 31 49 97 217 679 1519 3007 4753 21049 147343 1508935091 10562545637 46776987821 73937819459 146366703827 327438914747 1024566926789 2292072403229 4537367818637 7171968487523 31761574730459 222331023113213